function goAlongTree(node, fun) {
  //let self = this;
  //fun(node)
  if (node && node.length > 0) {
    node.forEach((n) => {
      fun(n);
      if (n.children) {
        goAlongTree(n.children, fun);
      }
    });
  }
}

module.exports = { goAlongTree };
